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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:50AB GHM

Order: 19

Horizontal side: 50 Vertical side: 50

Elements: 3, 3√2, 6, 8, 6√2, 7√2, 10, 8√2, 9√2, 14, 15, 11√2, 16, 18, 14√2, 20, 15√2, 17√2, 25√2.

Code: 252 25 25 174 17 33 90 34 50 161 50 50 86 17 33 187 25 41 70 43 41 116 25 23 142 50 20 141 50 34 103 25 15 85 25 15 203 50 0 150 15 15 151 30 15 37 30 15 30 33 15 62 36 6 61 36 12

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

25√2
17√2
9√2
16
8√2
18
7√2
11√2
14√2
14
10
8
20
15√2
15
3
3√2
6√2
6